43 CFR 3832.31 - What is a mill site?
A mill site is a location of nonmineral land not contiguous to a vein or lode that you can use for activities reasonably incident to mineral development on, or production from, the unpatented or patented lode or placer claim with which it is associated.
(a) A dependent mill site is used for activities that support a particular patented or unpatented lode or placer mining claim or group of mining claims.
(1) Is not dependent on a particular mining claim but provides milling or reduction processing for nearby lode mines or a lode mining district;
Title 43 published on 2014-10-01
no entries appear in the Federal Register after this date.